FREE TOOLS
Free Nootropic Tools
Evidence-based calculators and quizzes to help you build smarter — free forever.
Discover Your Ideal Nootropic Stack
Answer 10 questions about your goals, lifestyle, and biology. Our quiz analyzes your responses and generates a personalized nootropic protocol — including dosing, timing, and what to pair.
YOUR RESULT
Focus + Memory Protocol
All Free Tools
Personalized Stack Builder
Get a personalized nootropic stack based on your specific goals and experience level.
Try it →Nootropic Interaction Checker
Check combinations of nootropics, supplements, and prescription medications for interactions.
Try it →Half-Life & Timing Calculator
Visualize how long substances stay in your body and optimize your dosing schedule.
Try it →Personalized Stack Quiz
10 questions. 2 minutes. Get a science-backed stack recommendation tailored to your goals.
Try it →Caffeine + L-Theanine Calculator
Find your optimal caffeine:L-theanine ratio and calculate your personal cutoff time for better sleep.
Try it →Lion's Mane Dosage Calculator
Calculate your optimal Lion's Mane dose by body weight, goal, and supplement form.
Try it →Ashwagandha Dosage Calculator
Get a personalized ashwagandha dose based on your weight, stress level, and extract type.
Try it →Bacopa Monnieri Dosage Calculator
Bacopa dosing is time-sensitive. Calculate your optimal dose and learn the buildup timeline.
Try it →Alpha-GPC Dosage Calculator
Find your Alpha-GPC dose for cognitive performance, including the piracetam choline ratio.
Try it →Citicoline (CDP-Choline) Dosage Calculator
Calculate your CDP-Choline dose and understand the difference from Alpha-GPC.
Try it →Rhodiola Rosea Dosage Calculator
Rhodiola dosing depends on standardization and your stress/fatigue profile. Get your number.
Try it →Creatine Dosage Calculator
Calculate loading phase and maintenance dose for cognitive and physical performance.
Try it →L-Theanine Dosage Calculator
Standalone L-Theanine dosing for anxiety, focus, and sleep — with or without caffeine.
Try it →Phosphatidylserine Dosage Calculator
PS dosing for memory, cognitive decline prevention, and athletic stress response.
Try it →More calculators coming soon
Modafinil, Piracetam, NMN, Magnesium L-Threonate, and 40+ more in progress.
Dosage Calculators
Personalized dosing for 50+ nootropic substances — calculated by body weight, goals, and supplement form.
Frequently Asked Questions
Evidence-based
Every recommendation is grounded in published human clinical trials.
No signup required
All calculators are 100% free. No account, no email, no paywall.
Built for biohackers
Designed for experienced self-experimenters who want precise, personalized data.
Ready to build your personalized nootropic stack?
Takes 2 minutes. 100% free. Science-backed recommendations tailored to your goals.
Take the Free Quiz →No account required to start